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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-16 22:56:08 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-16 22:56:08 +0000 |
| commit | 557a82c099283c6afd35a047da0ae4dac742e517 (patch) | |
| tree | b2ffbff71c994705b90c597e6be606e2589aa1f0 /llvm/lib/CodeGen/LiveRangeEdit.cpp | |
| parent | aaf5ddcf829c7c74bea3ad9f5f879c8c42985d9b (diff) | |
| download | bcm5719-llvm-557a82c099283c6afd35a047da0ae4dac742e517.tar.gz bcm5719-llvm-557a82c099283c6afd35a047da0ae4dac742e517.zip | |
Clarify debugging output.
llvm-svn: 127771
Diffstat (limited to 'llvm/lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveRangeEdit.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp index c9985cd9d22..0769f95262d 100644 --- a/llvm/lib/CodeGen/LiveRangeEdit.cpp +++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp @@ -148,17 +148,21 @@ void LiveRangeEdit::eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead, while (!Dead.empty()) { MachineInstr *MI = Dead.pop_back_val(); assert(MI->allDefsAreDead() && "Def isn't really dead"); + SlotIndex Idx = LIS.getInstructionIndex(MI).getDefIndex(); // Never delete inline asm. - if (MI->isInlineAsm()) + if (MI->isInlineAsm()) { + DEBUG(dbgs() << "Won't delete: " << Idx << '\t' << *MI); continue; + } // Use the same criteria as DeadMachineInstructionElim. bool SawStore = false; - if (!MI->isSafeToMove(&TII, 0, SawStore)) + if (!MI->isSafeToMove(&TII, 0, SawStore)) { + DEBUG(dbgs() << "Can't delete: " << Idx << '\t' << *MI); continue; + } - SlotIndex Idx = LIS.getInstructionIndex(MI).getDefIndex(); DEBUG(dbgs() << "Deleting dead def " << Idx << '\t' << *MI); // Check for live intervals that may shrink |
